68901312 has 28 divisors (see below), whose sum is σ = 182301896. Its totient is φ = 22967040.

The previous prime is 68901253. The next prime is 68901347. The reversal of 68901312 is 21310986.

It is a self number, because there is not a number n which added to its sum of digits gives 68901312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179239 + ... + 179622.

It is an arithmetic number, because the mean of its divisors is an integer number (6510782).

Almost surely, 2^68901312 is an apocalyptic number.

It is an amenable number.

68901312 is an abundant number, since it is smaller than the sum of its proper divisors (113400584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68901312 is a wasteful number, since it uses less digits than its factorization.

68901312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358876 (or 358866 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 68901312 is about 8300.6814178114. The cubic root of 68901312 is about 409.9609560282.

The spelling of 68901312 in words is "sixty-eight million, nine hundred one thousand, three hundred twelve".